Three polar vortex systems are anticipated in December, and the first is expected this week, according to AccuWeather. The ...

Three images of Uranus that are blue, green and red showing a weird bright spot A vortex of relatively warm air has been detected swirling beneath Uranus' clouds, providing strong evidence for the ...

A huge filament of solar plasma has broken off the sun's surface and is circling its north pole like a vortex of powerful winds, but scientists have no clue what caused it. "Talk about polar vortex!

When the polar vortex stumbles, the weather at ground level can pivot from mild to brutal in a matter of days. A circulation ...

NASA scientists spotted a strange polar vortex near the Sun's northern pole. The vortex appears to be part of a huge filament of solar plasma that the space agency says broke away from the Sun's ...

A powerful polar vortex slams an already-frozen state as NOAA warns the deep freeze could last for weeks, bringing extreme ...

Thanks to the polar vortex, the first half of December will bring multiple waves of Arctic air to the U.S. Here's what to expect in Tennessee.

A strong polar vortex doesn't cause cold weather — it does the opposite. Here's what to know about polar vortices, how they work.

The Polar vortex is causing temperatures to plummet dangerously across the Philadelphia region, and frostbite could become a ...

Weather forecaster Jim Dale told Metro that things will be getting significantly colder as we enter the New Year, with a ...